/Engine/Source/Runtime/MovieSceneTracks/Public/Sections/MovieSceneParameterSection.h
Adds a a key for a specific bool parameter at the specified time with the specified value.
void AddBoolParameterKey ( [FName](API\Runtime\Core\UObject\FName) InParameterName, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InTime, bool InValue )